diff ext/guichan-0.8.1/src/widgets/tabbedarea.cpp @ 0:4a0efb7baf70

* Datasets becomes the new trunk and retires after that :-)
author mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
date Sun, 29 Jun 2008 18:44:17 +0000
parents
children
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ext/guichan-0.8.1/src/widgets/tabbedarea.cpp	Sun Jun 29 18:44:17 2008 +0000
@@ -0,0 +1,468 @@
+/*      _______   __   __   __   ______   __   __   _______   __   __
+ *     / _____/\ / /\ / /\ / /\ / ____/\ / /\ / /\ / ___  /\ /  |\/ /\
+ *    / /\____\// / // / // / // /\___\// /_// / // /\_/ / // , |/ / /
+ *   / / /__   / / // / // / // / /    / ___  / // ___  / // /| ' / /
+ *  / /_// /\ / /_// / // / // /_/_   / / // / // /\_/ / // / |  / /
+ * /______/ //______/ //_/ //_____/\ /_/ //_/ //_/ //_/ //_/ /|_/ /
+ * \______\/ \______\/ \_\/ \_____\/ \_\/ \_\/ \_\/ \_\/ \_\/ \_\/
+ *
+ * Copyright (c) 2004 - 2008 Olof Naessén and Per Larsson
+ *
+ *
+ * Per Larsson a.k.a finalman
+ * Olof Naessén a.k.a jansem/yakslem
+ *
+ * Visit: http://guichan.sourceforge.net
+ *
+ * License: (BSD)
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ * 3. Neither the name of Guichan nor the names of its contributors may
+ *    be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
+ * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/*
+ * For comments regarding functions please see the header file.
+ */
+
+#include "guichan/widgets/tabbedarea.hpp"
+
+#include "guichan/exception.hpp"
+#include "guichan/focushandler.hpp"
+#include "guichan/font.hpp"
+#include "guichan/graphics.hpp"
+
+#include "guichan/widgets/container.hpp"
+#include "guichan/widgets/tab.hpp"
+
+#include <algorithm>
+
+namespace gcn
+{
+    TabbedArea::TabbedArea()
+            :mSelectedTab(NULL)
+    {
+        setFocusable(true);
+        addKeyListener(this);
+        addMouseListener(this);
+
+        mTabContainer = new Container();
+        mTabContainer->setOpaque(false);
+        mWidgetContainer = new Container();
+
+        add(mTabContainer);
+        add(mWidgetContainer);
+    }
+
+    TabbedArea::~TabbedArea()
+    {
+        remove(mTabContainer);
+        remove(mWidgetContainer);
+
+        delete mTabContainer;
+        delete mWidgetContainer;
+
+        unsigned int i;
+        for (i = 0; i < mTabsToDelete.size(); i++)
+        {
+            delete mTabsToDelete[i];
+        }
+    }
+
+    void TabbedArea::addTab(const std::string& caption, Widget* widget)
+    {
+        Tab* tab = new Tab();
+        tab->setCaption(caption);
+        mTabsToDelete.push_back(tab);
+
+        addTab(tab, widget);
+    }
+
+    void TabbedArea::addTab(Tab* tab, Widget* widget)
+    {
+        tab->setTabbedArea(this);
+        tab->addActionListener(this);
+
+        mTabContainer->add(tab);
+        mTabs.push_back(std::pair<Tab*, Widget*>(tab, widget));
+
+        if (mSelectedTab == NULL)
+        {
+            setSelectedTab(tab);
+        }
+
+        adjustTabPositions();
+        adjustSize();
+    }
+
+    void TabbedArea::removeTabWithIndex(unsigned int index)
+    {
+        if (index >= mTabs.size())
+        {
+            throw GCN_EXCEPTION("No such tab index.");
+        }
+
+        removeTab(mTabs[index].first);
+    }
+
+    void TabbedArea::removeTab(Tab* tab)
+    {
+        int tabIndexToBeSelected = - 1;
+
+        if (tab == mSelectedTab)
+        {
+            int index = getSelectedTabIndex();
+
+            if (index == (int)mTabs.size() - 1
+                && mTabs.size() >= 2)
+            {
+                tabIndexToBeSelected = index--;
+            }
+            else if (index == (int)mTabs.size() - 1
+                     && mTabs.size() == 1)
+            {
+                tabIndexToBeSelected = -1;
+            }
+            else
+            {
+                tabIndexToBeSelected = index;
+            }
+        }
+
+        std::vector<std::pair<Tab*, Widget*> >::iterator iter;
+        for (iter = mTabs.begin(); iter != mTabs.end(); iter++)
+        {
+            if (iter->first == tab)
+            {
+                mTabContainer->remove(tab);
+                mTabs.erase(iter);
+                break;
+            }
+        }
+
+        std::vector<Tab*>::iterator iter2;
+        for (iter2 = mTabsToDelete.begin(); iter2 != mTabsToDelete.end(); iter2++)
+        {
+            if (*iter2 == tab)
+            {
+                mTabsToDelete.erase(iter2);
+                delete tab;
+                break;
+            }
+        }
+
+        if (tabIndexToBeSelected == -1)
+        {
+            mSelectedTab = NULL;
+            mWidgetContainer->clear();
+        }
+        else
+        {
+            setSelectedTab(tabIndexToBeSelected);
+        }
+
+        adjustSize();
+        adjustTabPositions();
+    }
+
+    bool TabbedArea::isTabSelected(unsigned int index) const
+    {
+        if (index >= mTabs.size())
+        {
+            throw GCN_EXCEPTION("No such tab index.");
+        }
+
+        return mSelectedTab == mTabs[index].first;
+    }
+
+    bool TabbedArea::isTabSelected(Tab* tab)
+    {
+        return mSelectedTab == tab;
+    }
+
+    void TabbedArea::setSelectedTab(unsigned int index)
+    {
+        if (index >= mTabs.size())
+        {
+            throw GCN_EXCEPTION("No such tab index.");
+        }
+
+        setSelectedTab(mTabs[index].first);
+    }
+
+    void TabbedArea::setSelectedTab(Tab* tab)
+    {
+        unsigned int i;
+        for (i = 0; i < mTabs.size(); i++)
+        {
+            if (mTabs[i].first == mSelectedTab)
+            {
+                mWidgetContainer->remove(mTabs[i].second);
+            }
+        }
+
+        for (i = 0; i < mTabs.size(); i++)
+        {
+            if (mTabs[i].first == tab)
+            {
+                mSelectedTab = tab;
+                mWidgetContainer->add(mTabs[i].second);
+            }
+        }
+    }
+
+    int TabbedArea::getSelectedTabIndex() const
+    {
+        unsigned int i;
+        for (i = 0; i < mTabs.size(); i++)
+        {
+            if (mTabs[i].first == mSelectedTab)
+            {
+                return i;
+            }
+        }
+
+        return -1;
+    }
+
+    Tab* TabbedArea::getSelectedTab()
+    {
+        return mSelectedTab;
+    }
+
+    void TabbedArea::draw(Graphics *graphics)
+    {
+        const Color &faceColor = getBaseColor();
+        const int alpha = getBaseColor().a;
+        Color highlightColor = faceColor + 0x303030;
+        highlightColor.a = alpha;
+        Color shadowColor = faceColor - 0x303030;
+        shadowColor.a = alpha;
+
+        // Draw a border.
+        graphics->setColor(highlightColor);
+        graphics->drawLine(0,
+                           mTabContainer->getHeight(),
+                           0,
+                           getHeight() - 2);
+        graphics->setColor(shadowColor);
+        graphics->drawLine(getWidth() - 1,
+                           mTabContainer->getHeight() + 1,
+                           getWidth() - 1,
+                           getHeight() - 1);
+       graphics->drawLine(1,
+                          getHeight() - 1,
+                          getWidth() - 1,
+                          getHeight() - 1);
+
+        graphics->setColor(getBaseColor());
+        graphics->fillRectangle(Rectangle(1, 1, getWidth() - 2, getHeight() - 2));
+
+
+        // Draw a line underneath the tabs.
+        graphics->setColor(highlightColor);
+        graphics->drawLine(1,
+                           mTabContainer->getHeight(),
+                           getWidth() - 1,
+                           mTabContainer->getHeight());
+
+        // If a tab is selected, remove the line right underneath
+        // the selected tab.
+        if (mSelectedTab != NULL)
+        {
+            graphics->setColor(getBaseColor());
+            graphics->drawLine(mSelectedTab->getX() + 1,
+                               mTabContainer->getHeight(),
+                               mSelectedTab->getX() + mSelectedTab->getWidth() - 2,
+                               mTabContainer->getHeight());
+
+        }
+
+        drawChildren(graphics);
+    }
+
+    void TabbedArea::logic()
+    {
+
+    }
+
+    void TabbedArea::adjustSize()
+    {
+        int maxTabHeight = 0;
+        unsigned int i;
+        for (i = 0; i < mTabs.size(); i++)
+        {
+            if (mTabs[i].first->getHeight() > maxTabHeight)
+            {
+                maxTabHeight = mTabs[i].first->getHeight();
+            }
+        }
+
+        mTabContainer->setSize(getWidth() - 2,
+                               maxTabHeight);
+
+        mWidgetContainer->setPosition(1, maxTabHeight + 1);
+        mWidgetContainer->setSize(getWidth() - 2,
+                                  getHeight() - maxTabHeight - 2);
+    }
+
+    void TabbedArea::adjustTabPositions()
+    {
+        int maxTabHeight = 0;
+        unsigned int i;
+        for (i = 0; i < mTabs.size(); i++)
+        {
+            if (mTabs[i].first->getHeight() > maxTabHeight)
+            {
+                maxTabHeight = mTabs[i].first->getHeight();
+            }
+        }
+
+        int x = 0;
+        for (i = 0; i < mTabs.size(); i++)
+        {
+            Tab* tab = mTabs[i].first;
+            tab->setPosition(x, maxTabHeight - tab->getHeight());
+            x += tab->getWidth();
+        }
+    }
+
+    void TabbedArea::setWidth(int width)
+    {
+        Widget::setWidth(width);
+        adjustSize();
+    }
+
+
+    void TabbedArea::setHeight(int height)
+    {
+        Widget::setHeight(height);
+        adjustSize();
+    }
+
+    void TabbedArea::setSize(int width, int height)
+    {
+        setWidth(width);
+        setHeight(height);
+    }
+
+    void TabbedArea::setDimension(const Rectangle& dimension)
+    {
+        setX(dimension.x);
+        setY(dimension.y);
+        setWidth(dimension.width);
+        setHeight(dimension.height);
+    }
+
+    void TabbedArea::keyPressed(KeyEvent& keyEvent)
+    {
+        if (keyEvent.isConsumed() || !isFocused())
+        {
+            return;
+        }
+
+        if (keyEvent.getKey().getValue() == Key::LEFT)
+        {
+            int index = getSelectedTabIndex();
+            index--;
+
+            if (index < 0)
+            {
+                return;
+            }
+            else
+            {
+                setSelectedTab(mTabs[index].first);
+            }
+
+            keyEvent.consume();
+        }
+        else if (keyEvent.getKey().getValue() == Key::RIGHT)
+        {
+            int index = getSelectedTabIndex();
+            index++;
+
+            if (index >= (int)mTabs.size())
+            {
+                return;
+            }
+            else
+            {
+                setSelectedTab(mTabs[index].first);
+            }
+
+            keyEvent.consume();
+        }
+    }
+
+
+    void TabbedArea::mousePressed(MouseEvent& mouseEvent)
+    {
+        if (mouseEvent.isConsumed()
+            && mouseEvent.getSource()->isFocusable())
+        {
+            return;
+        }
+
+        if (mouseEvent.getButton() == MouseEvent::LEFT)
+        {
+            Widget* widget = mTabContainer->getWidgetAt(mouseEvent.getX(), mouseEvent.getY());
+            Tab* tab = dynamic_cast<Tab*>(widget);
+
+            if (tab != NULL)
+            {
+                setSelectedTab(tab);
+            }
+        }
+
+        requestFocus();
+    }
+
+    void TabbedArea::death(const Event& event)
+    {
+        Widget* source = event.getSource();
+        Tab* tab = dynamic_cast<Tab*>(source);
+
+        if (tab != NULL)
+        {
+            removeTab(tab);
+        }
+        else
+        {
+            BasicContainer::death(event);
+        }
+    }
+
+    void TabbedArea::action(const ActionEvent& actionEvent)
+    {
+        Widget* source = actionEvent.getSource();
+        Tab* tab = dynamic_cast<Tab*>(source);
+
+        if (tab == NULL)
+        {
+            throw GCN_EXCEPTION("Received an action from a widget that's not a tab!");
+        }
+
+        setSelectedTab(tab);
+    }
+}